<?php

/**
 * LoginForm class.
 * LoginForm is the data structure for keeping
 * user login form data. It is used by the 'login' action of 'SiteController'.
 */
class LoginForm extends CFormModel
{
	public $username;
	public $password;
    public $verifyCode;
	private $_identity;

	/**
	 * Declares the validation rules.
	 * The rules state that username and password are required,
	 * and password needs to be authenticated.
	 */
	public function rules()
	{
        $type=1;
        $aaa = array();
        if($type==1){
            $aaa = array(array('verifyCode','captcha','message'=>'验证码错误'));
            //$aaa = array(array('verifyCode', 'CaptchaExtendedValidator', 'allowEmpty'=>!CCaptcha::checkRequirements(),'message'=>'��������ȷ����֤��'));
        }
        return CMap::mergeArray(array(
            array('username', 'required','message'=>'用户名必须填写'),
            array('password','required','message'=>'密码必须填写'),
            // password needs to be authenticated
            array('password', 'authenticate'),
        ),$aaa);
	}

	/**
	 * Declares attribute labels.
	 */
	public function attributeLabels()
	{
        return array(
            'username'=>'用户名：',
            'password'=>'密   码：',
            'verifyCode'=>'验证码:',
        );
	}

	/**
	 * Authenticates the password.
	 * This is the 'authenticate' validator as declared in rules().
	 */
	public function authenticate($attribute,$params)
	{
		if(!$this->hasErrors())
		{
			$this->_identity=new UserIdentity($this->username,$this->password);
			if(!$this->_identity->authenticate())
                return false;
				//$this->addError('password','Incorrect username or password.');
		}
	}

	/**
	 * Logs in the user using the given username and password in the model.
	 * @return boolean whether login is successful
	 */
	public function login()
	{
		if($this->_identity===null)
		{
			$this->_identity=new UserIdentity($this->username,$this->password);
			$this->_identity->authenticate();
		}
		if($this->_identity->errorCode===UserIdentity::ERROR_NONE)
		{
			$duration=''; // 30 days
			Yii::app()->user->login($this->_identity,$duration);
			return true;
		}
		else
			return false;
	}
}
